GDblt is a non-destructive Windows GDI visual and audio demo.
It creates fast-paced screen effects using Windows GDI functions and generates synchronized bytebeat-style audio.
A tool to quickly remove any screen artifacts is included.
This program contains:
- Rapid flashing visuals
- Loud / glitchy sound effects
Do NOT run if you are sensitive to flashing lights.
🛡️ Safety
- NOT malware
- Does NOT modify files or system settings
- Does NOT persist after closing
- Has a kill switch (ESC key)
🎮 Controls
- Press ESC at any time to exit immediately
⚙️ Intensity Modes
- Low – Slower effects, no auto-stop
- Medium – Moderate speed, stops after ~90 seconds
- High – Very fast effects, stops after ~45 seconds
🧠 Notes
This project is inspired by classic "GDI effect" demos often seen in experimental or prank-style programs, but is designed to be completely safe and non-destructive.
🚫 Disclaimer
Do NOT run this on someone else's computer without permission. GDblt might get flagged by your antivirus, it means its doing its job correctly, but seriously, this is open source and you can see its not dangerous at all.